Designed and built a 3-phase inverter PCB as part of my Master’s project and Shell Eco-marathon, generating three-phase AC output with precise 120° phase displacement.
Focused on power electronics hardware design, switching performance, and waveform validation rather than motor operation.
Led the complete hardware design, including MOSFET selection, gate-driver circuitry, DC bus design, current sensing, and protection (overcurrent and thermal).
Assembled the PCB personally, performing SMD and through-hole soldering and component-level inspection.
Optimized PCB layout to reduce switching losses, noise coupling, and thermal stress, achieving stable operation at 37–42 V, up to 15 A.
Performed LTspice and MATLAB simulations to validate switching behavior, dead-time operation, and expected waveform quality before fabrication.
Tested and validated real hardware, confirming balanced three-phase AC waveforms with 120° phase separation using an oscilloscope.
Iteratively tested and debugged the hardware, refining gate-drive timing and layout issues to improve waveform stability and reduce switching noise.
Achieved cleaner phase outputs and improved thermal performance, completing all testing with zero hardware failures.
Demonstrated end-to-end ownership of the design cycle, from simulation and PCB design to assembly, testing, and validation.
Designed and built a high-current lithium-ion battery pack specifically for the Shell Eco-marathon vehicle.
Defined the cell layout and electrical architecture to support high-current operation and mechanical stability.
Performed cell assembly and spot welding, creating low-resistance and reliable interconnections.
Implemented safety features, including insulation, fusing, and short-circuit protection.
Integrated and configured the Battery Management System (BMS) for cell balancing and over-/under-voltage and current protection.
Delivered a safe, stable, and reliable power source suitable for competition use.
Debugged and reviewed the 3-phase inverter PCB design in Altium Designer, identifying schematic and layout issues.
Assisted in resolving design and connectivity errors, improving reliability and manufacturability.
Fully assembled the inverter PCB, performing complete SMD component placement and soldering.
Supported hardware bring-up and troubleshooting, helping ensure correct inverter operation.
Contributed to a competition-ready power electronics system for the Shell Eco-marathon.
Designed and developed a compact LED driver PCB for smooth control of high-power RGB LEDs using PWM.
Implemented constant-current regulation to ensure stable brightness and protect the LEDs.
Designed the switching circuitry and PCB layout to minimize losses, noise, and thermal stress.
Optimized PWM control for smooth color transitions with no visible flicker.
Focused on thermal performance, ensuring cool and reliable LED operation under load.
Designed a Raspberry Pi extension board to simplify testing of sensors and external hardware.
Integrated on-board indicators, including 6 GPIO status LEDs for real-time signal monitoring.
Added multiple sensors, incorporating two BNO055 IMU sensors and a PA1010D GPS module for motion and location data.
Designed the power architecture, using an LM317MDCY adjustable regulator to step down 5 V to 3.3 V for sensors.
Integrated an XL4015 DC–DC converter to power the entire board from a 12 V input.
Focused on reliability and protection, delivering a clean, stable platform for sensor testing and data collection.
Designed a 4-port USB 2.0 hub using the TUSB2046IBVFR controller.
Routed high-speed USB differential pairs, following impedance control and USB signal-integrity requirements.
Implemented ESD protection on all USB ports to improve robustness and device safety.
Designed the power distribution section to safely support multiple connected peripherals.
Focused on stability and compatibility, ensuring reliable operation across different USB devices.
Designed and built a custom ESP32 development board for hands-on hardware and IoT practice, following a tutorial by Robert Feranec.
Routed the PCB and designed the power regulation circuitry to support stable ESP32 operation.
Integrated USB-to-UART connectivity for programming and debugging.
Broke out key ESP32 pins for easy access during prototyping and testing.
Strengthened hardware design and IoT prototyping skills through schematic design, PCB layout, and board bring-up.
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Designed a relay driver PCB for the Shell Eco-marathon vehicle, enabling control of a 12 V relay using a 5 V microcontroller signal.
Implemented a transistor driver and flyback diode to safely switch higher-voltage loads.
Included indicator LEDs for visual confirmation of relay operation.
Enabled safe and reliable interfacing between low-voltage MCU signals and higher-voltage systems in a competition environment.
Designed my first PCB in Altium and sent it for production.
Created a simple 1-layer AC-to-DC converter, stepping 220 V AC down to 48 V DC.
Focused on learning PCB layout, safety spacing, and clearances for high-voltage design.
Gained hands-on experience in the full design-to-manufacture process, including schematic capture, layout, and production readiness.
Built foundational hardware design skills that guided subsequent PCB projects.